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(Solved): 6.29 If 20% of the residents in a U.S. city prefer awhite telephone over any other color available, ...



6.29 If 20% of the residents in a U.S. city prefer awhite telephone over any other color available, what isthe probability that among the next 1000 telephonesinstalled in that city(a) between 170 and 185 inclusive will be white?(b) at least 210 but not more than 225 will be white?



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